US 9,812,711 B2
Carbonaceous material for non-aqueous electrolyte secondary battery anode, non-aqueous electrolyte secondary battery anode, non-aqueous electrolyte secondary battery, and vehicle
Makoto Imaji, Tokyo (JP); Kayoko Okada, Tokyo (JP); Yasuhiro Tada, Tokyo (JP); Naohiro Sonobe, Tokyo (JP); and Mayu Komatsu, Tokyo (JP)
Assigned to KUREHA CORPORATION, Tokyo (JP)
Appl. No. 15/300,312
Filed by Kureha Corporation, Tokyo (JP)
PCT Filed Mar. 27, 2015, PCT No. PCT/JP2015/059770
§ 371(c)(1), (2) Date Sep. 29, 2016,
PCT Pub. No. WO2015/152090, PCT Pub. Date Oct. 8, 2015.
Claims priority of application No. 2014-074974 (JP), filed on Mar. 31, 2014.
Prior Publication US 2017/0149062 A1, May 25, 2017
Int. Cl. H01M 4/587 (2010.01); H01M 10/0525 (2010.01); C01B 31/02 (2006.01); H01M 4/02 (2006.01)
CPC H01M 4/587 (2013.01) [C01B 31/02 (2013.01); H01M 10/0525 (2013.01); C01P 2002/76 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/40 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01)] 9 Claims
 
1. A carbonaceous material for a non-aqueous electrolyte secondary battery anode, wherein the carbonaceous material comprises the following:
a number average particle size being from 0.1 to 2.0 μm, a value of a number average particle size divided by a volume average particle size being not greater than 0.3, an average interlayer spacing d002 of an (002) plane determined by X-ray diffraction being from 0.340 to 0.390 nm, and an atomic ratio (H/C) of hydrogen and carbon being not greater than 0.10.